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Nabil Kallel

Taibah University

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Publication

Featured researches published by Nabil Kallel.

Journal of Magnetism and Magnetic Materials | 2003

Structure, magnetic and electrical behaviour of La0.7Sr0.3Mn1-xTixO3 with 0 ≤ x ≤ 0.3

Nabil Kallel; G. Dezanneau; J. Dhahri; Mohamed Oumezzine; H. Vincent

Abstract Structure, magnetic, and transport properties of La 0.7 Sr 0.3 Mn 1− x Ti x O 3 with x =0, 0.1, 0.2, and 0.3 are studied. The system exhibits a rhombohedrally distorted perovskite structure. The structure refinement by Rietveld analysis of the X-ray powder diffraction data shows that the average distance (Mn, Ti)–O increases. The Curie temperature decreases when the titanium content increases. The Ti substitution also destroys the metallic state and the resistivity increases many orders of magnitude when the percentage of Ti increases.

Physica B-condensed Matter | 2009

Magnetocaloric properties in the Cr-doped La0.7Sr0.3MnO3 manganites

Nabil Kallel; Sami Kallel; Ahmed Hagaza; Mohamed Oumezzine

Materials Letters | 2010

Large magnetocaloric effect in Ti-modified La0.70Sr0.30MnO3 perovskite

Sami Kallel; Nabil Kallel; O. Peña; Mohamed Oumezzine

Journal of Alloys and Compounds | 2010

Large magnetic entropy change above 300 K in (La0.56Ce0.14)Sr0.3MnO3 perovskite

Sami Kallel; Nabil Kallel; Ahmed Hagaza; O. Peña; Mohamed Oumezzine

Journal of Alloys and Compounds | 2005

Structure, magnetic and magnetoresistive properties of La0.7Sr0.3Mn1-xSnxO3 samples (0 ≤ x ≤ 0.20)

Nabil Kallel; K. Fröhlich; S. Pignard; Mohamed Oumezzine; H. Vincent

Journal of Alloys and Compounds | 2010

Structural and magnetic properties of (La0.70−xYx)Ba0.30Mn1−xFexO3 perovskites simultaneously doped on A and B sites (0.0 ≤ x ≤ 0.30)

Nabil Kallel; Sonia Ben Abdelkhalek; Sami Kallel; O. Peña; Mohamed Oumezzine

Solid State Sciences | 2009

Structural and magnetic properties of hole-doped(La0.56Ce0.14)Sr0.30MnO3 perovskite

Nabil Kallel; Sami Kallel; O. Peña; Mohamed Oumezzine

Journal of Alloys and Compounds | 2010

Determination of the spontaneous magnetization by analysis of the magnetic entropy change in La0.40Nd0.30Sr0.30Mn0.70Cr0.30O3

Sami Kallel; Nabil Kallel; O. Peña; Mohamed Oumezzine

Journal of Alloys and Compounds | 2009

Structural, magnetic and electrical properties of (La0.70−xNdx)Sr0.30Mn0.70Cr0.30O3 with 0 ≤ x ≤ 0.30

Ahmed Hagaza; Nabil Kallel; Sami Kallel; Thierry Guizouarn; O. Peña; Mohamed Oumezzine

Journal of Superconductivity and Novel Magnetism | 2013

Electrical Resistivity Behavior and VRH Transport Mechanism in Semiconducting La0.6Sr0.4Mn1−2xFexCrxO3 (0.10 ≤ x ≤ 0.25) Manganites

Sonia Ben Abdelkhalek; Nabil Kallel; Sami Kallel; Thierry Guizouarn; O. Peña; Mohamed Oumezzine

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Sami Kallel

University of Monastir

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Mohamed Oumezzine

University of Monastir

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O. Peña

University of Rennes

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H. Vincent

École Normale Supérieure

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Thierry Guizouarn

University of Rennes

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A. Ben Lamine

University of Monastir

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Mohamed Khalfaoui

University of Monastir

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S. Yahyaoui

University of Monastir

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S. Pignard

École Normale Supérieure

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J. S. Amaral

University of Aveiro

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